Improvement in cultivator-teeth



V v I S. BECKWITH.

Cultivator Teeth. I No. 100,713. Patented March 15,4870.

UNITED STATES PATENT OFFICE.

SANFORD BEOKWITH, OF OSHKOSH, WISCONSIN.

- IMPROVEMENT IN CULTIVATOR-TEETH.

To allwhom it may concern:

Beitknown that I, SANFORD BEGKWITH, of thecity of Oshkosh, State of Wiseonsin,havc invented a new and Improved Yielding Tooth for Cultivators; and 1 do hereby declare that the following is a full and exact'descript-ion thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, making a part of this specification. j

The nature of my invention consists in providin g a cultivator-bar with acultivator-tooth' constructed with a bracing or crotc'hed head to clasp the cultivator-bar, a washer being inserted on each side of the bar between it and the head of the tooth, and the whole firmly bound together with a screw-bolt.

Figure lis a perspective view of the cultivatorbar and tooth. Fig. 2 is a perspective view of the tooth with a bracing and crotched head, i 0'. Figs. 3 and 4 is a washer. Fig. 5 is a bolt. Fig. 6 is a fragment of the bar A with the seat of the washer.

A is a cultivator-bar. B is thecultivatortooth with a braced dual hegtd and bearings,i i.

.d is a washer with a grooved seat, 11, for cultivator-tooth. c is abolt. a is a seat for the Specification forming part of Letters Patent No. 100,713, dated March 15, 1870.

washer. The washer is inserted in the seats aon each side of the bar, the tooth B is inserted in the grooves of the washer d, and the whole bound together by the bolt 0. The resistance of the tooth is governed by the friction of the washer on the bar and by the tenacity with which the same is clasped to the bar by the bolt. Plain washers in place of grooved washers may be used at option witlr out departing from the scope of my invention.

I disclaim a cultivator-tooth constructed in the manner and formspecified in the patent of W. M. Hulbert, granted January 26, 1869; but

What I claim -as my invention, and desire to secure by Letters Patent, is-

1. The cultivator tooth B, with a bracing dual head,t' i, arranged relatively to the washer (1, bolt; 0, and. cultivator-bar A, (or the purposes set forth.

2. The washers d, provided with groove (1, when used in combination-with tooth B, bar A, and bolt 0.

SANFORD BEOKWITH.

Witnesses: L. W. HALsEY, W. G. BITCH. 

